CB radios were developed using the full-carrier DSB AM. It operates using 40 channels, each 10KHz wide. When the SSBSC is used, the same carrier frequencies are used as with the conventional AM but the transceivers are switchable to either lower or upper sideband. How many channels are available when the SSB is used?

2-What is the maximum allowed frequency of the input information signal (modulator) in an AM system (DSB-LC) which has a bandwidth of 40kHz and a carrier frequency of 500kHz

Calculate the modulation index for a standard AM transmission if the maximum peak-to-peak voltage of the modulated wave is 300 V and the modulating signal amplitude is 50 V.

1. Compare between Phase method and Filter method that are used in SSB modulation.

In TRF receivers, the greater the number of tuned stages cascaded, the narrower the bandwidth. (A) True B) False Question 2 The following are the characteristics of tuned radio frequency receivers, except A Relatively high sensitivity B) For high-frequency applications The simplest designed radio receiver available D Limited to single-channel

ANSWER THE PROBLEM MAKE SURE THAT IT IS IN 4 DECIMAL PLACES: Solve for the side frequency volt, modulation depth is lessened by 25% of an AM transistor with 32V output voltage when modulated to a depth of 96%.

حلمي تحطم واختفى Mcq help please

Q2. An FM transmitter is modulated with a single tone A, cos (2TA2t) and a carrier amplitude of Az volt. The output resistive load for no modulation is A4 N and the modulation constant kf = A, Hz/volt. For the given parameters, determine the following: When A1=76 A2=35704 A3=78 A4=109 A5=987